org.apache.commons.collections4
Interface OrderedIterator<E>

Type Parameters:
E - the type to iterate over
All Superinterfaces:
Iterator<E>
All Known Subinterfaces:
OrderedMapIterator<K,V>, ResettableListIterator<E>
All Known Implementing Classes:
AbstractLinkedList.LinkedListIterator, AbstractLinkedList.LinkedSubListIterator, AbstractLinkedMap.EntrySetIterator, AbstractLinkedMap.KeySetIterator, AbstractLinkedMap.LinkMapIterator, AbstractLinkedMap.ValuesIterator, AbstractOrderedMapIteratorDecorator, AbstractSortedMapDecorator.SortedMapIterator, ArrayListIterator, CursorableLinkedList.Cursor, CursorableLinkedList.SubCursor, DualTreeBidiMap.BidiOrderedMapIterator, EmptyListIterator, EmptyOrderedIterator, EmptyOrderedMapIterator, ListIteratorWrapper, LoopingListIterator, ObjectArrayListIterator, ReverseListIterator, SingletonListIterator, UnmodifiableOrderedMapIterator

public interface OrderedIterator<E>
extends Iterator<E>

Defines an iterator that operates over an ordered container. Subset of ListIterator.

This iterator allows both forward and reverse iteration through the container.

Since:
3.0
Version:
$Id: OrderedIterator.java 1469004 2013-04-17 17:37:03Z tn $

Method Summary
 boolean hasPrevious()
          Checks to see if there is a previous element that can be iterated to.
 E previous()
          Gets the previous element from the container.
 
Methods inherited from interface java.util.Iterator
hasNext, next, remove
 

Method Detail

hasPrevious

boolean hasPrevious()
Checks to see if there is a previous element that can be iterated to.

Returns:
true if the iterator has a previous element

previous

E previous()
Gets the previous element from the container.

Returns:
the previous element in the iteration
Throws:
NoSuchElementException - if the iteration is finished


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